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Quality and efficiency improvement technology for five megawatt offshore wind turbines and its application

Huali HAN

Frontiers of Engineering Management 2020, Volume 7, Issue 4,   Pages 618-621 doi: 10.1007/s42524-020-0142-0

Keywords： renewable energy     megawatt offshore wind turbine     technology-driven     quality improvement    

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Performance improvement of a pulse tube cryocooler with a single compressor through cascade utilizationof cold energy

Xuming LIU, Xiafan XU, Biao YANG, Xiaotong XI, Liubiao CHEN, Junjie WANG, Yuan ZHOU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 345-357 doi: 10.1007/s11708-020-0708-x

Abstract: An active thermal insulation method of cascade utilization of the cold energy of the system was proposed

Keywords： radiation heat leakage     active thermal insulation     cascade utilization     cold energy     performance improvement    

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Potential of performance improvement of concentrated solar power plants by optimizing the parabolic trough

Honglun YANG, Qiliang WANG, Jingyu CAO, Gang PEI, Jing LI

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 867-881 doi: 10.1007/s11708-020-0707-y

Abstract: This paper proposes a comprehensive thermodynamic and economic model to predict and compare the performance of concentrated solar power plants with traditional and novel receivers with different configurations involving operating temperatures and locations. The simulation results reveal that power plants with novel receivers exhibit a superior thermodynamic and economic performance compared with traditional receivers. The annual electricity productions of power plants with novel receivers in Phoenix, Sevilla, and Tuotuohe are 8.5%, 10.5%, and 14.4% higher than those with traditional receivers at the outlet temperature of 550°C. The levelized cost of electricity of power plants with double-selective-coated receivers can be decreased by 6.9%, 8.5%, and 11.6%. In Phoenix, the optimal operating temperature of the power plants is improved from 500°C to 560°C by employing a novel receiver. Furthermore, the sensitivity analysis of the receiver heat loss, solar absorption, and freeze protection temperature is also conducted to analyze the general rule of influence of the receiver performance on power plants performance. Solar absorption has a positive contribution to annual electricity productions, whereas heat loss and freeze protection temperature have a negative effect on electricity outputs. The results indicate that the novel receiver coupled with low melting temperature molten salt is the best configuration for improving the overall performance of the power plants.

Keywords： concentrated solar power     parabolic trough receiver     heat loss     solar energy     annual performance    

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Exploring differentiated improvement strategies of cultivated land quality in China

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023523

Abstract:

● Cultivated land quality can be considered in four dimensions: suitability, contiguity, resistance, and ecological stress.

Keywords： China     cultivated land quality     differentiated improvement     food security    

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Research progress on genetic improvement of

Chuanping YANG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 4,   Pages 391-401 doi: 10.15302/J-FASE-2017183

Abstract: Over the past 30 years, effective progress has been made in genetic improvement and molecular breedingAll this research has provided a model and data for the foundation of forest genetic improvement and

Keywords： Betula platyphylla     genetic improvement     molecular breeding     seed orchard    

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A review of systematic evaluation and improvement in the big data environment

Feng YANG, Manman WANG

Frontiers of Engineering Management 2020, Volume 7, Issue 1,   Pages 27-46 doi: 10.1007/s42524-020-0092-6

Abstract: The purpose of this paper is to provide an overview and discussion of systematic evaluation and improvementFurthermore, we explore the systematic improvement studies and application fields.

Keywords： big data     evaluation methods     systematic improvement     big data analytic techniques     data mining    

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Energy-Saving Potential Analysis and Countermeasures for Carbon Peaking in China

Huang Haixia, Cheng Fan, Su Yinao, Yao Liangzhong, Hu Jianzu

Strategic Study of CAE 2021, Volume 23, Issue 6,   Pages 81-91 doi: 10.15302/J-SSCAE-2021.06.009

Abstract: consumption in China, illustrating the significant role of energy saving measures regarding energy developmentIn this manner, we evaluate the total energy consumption values and energy saving potentials under theThe results show that strengthening energy saving is an effective way for reducing energy consumptiontransformation, developing low carbon energy technologies, popularizing energy-saving technologies,reducing the demand for high energy-consuming products,and advocating energy-saving lifestyles.

Keywords： energy-saving and efficiency improvement     energy intensity     energy-saving potential analysis     energy    

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Embryo-mediated genome editing for accelerated genetic improvement of livestock

Zachariah MCLEAN, Björn OBACK, Götz LAIBLE

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 2,   Pages 148-160 doi: 10.15302/J-FASE-2019305

Abstract: Such a breeding strategy would enable a more targeted, accelerated approach for livestock improvement

Keywords： cattle     cloning     CRISPR/Cas9     cytoplasmic injection     embryo     genome editing     germline chimaeras     HDR     livestock improvement    

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Management System and Education Model in Developed Countries for Engineering Management Major Education Improvement

Jian-ya Jiang,Yang-wei Rao

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 406-409 doi: 10.15302/J-FEM-2014049

Abstract: Different developed countries have differences in regulations for engineering management systems. The related education modes and their curriculum arrangement in universities in the US, UK, and Germany show their specializations. Through comparative research into engineering management systems and professional education modes between China and these developed countries, the paper proposes suggestions for improving the education of engineering management majors in China, which could speed up development of Chinese engineering general contracting enterprises and engineering project management enterprises.

Keywords： engineering management system     education mode     comparative research     training improvement    

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Genetic improvement of wheat grain quality at CIMMYT

Carlos GUZMÁN, Karim AMMAR, Velu GOVINDAN, Ravi SINGH

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 3,   Pages 265-272 doi: 10.15302/J-FASE-2019260

Abstract:

The International Maize and Wheat Improvement Center (CIMMYT) is the global leader in publicly-fundedWheat quality improvement is a central component of all the breeding efforts at CIMMYT and the Wheatand environmental effects on quality traits, (3) characterization of genetic resources for quality improvement

Keywords： biofortification     breeding     grain quality     wheat    

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Molecular regulation and genetic improvement of seed oil content in

Wei HUA,Jing LIU,Hanzhong WANG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 186-194 doi: 10.15302/J-FASE-2016107

Abstract: As an important oil crop and a potential bioenergy crop, L. is becoming a model plant for basic research on seed lipid biosynthesis as well as seed oil content, which has always been the key breeding objective. In this review, we present current progress in understanding of the regulation of oil content in , including genetics, biosynthesis pathway, transcriptional regulation, maternal effects and QTL analysis. Furthermore, the history of breeding for high oil content in is summarized and the progress in breeding ultra-high oil content lines is described. Finally, prospects for breeding high oil content cultivars are outlined.

Keywords： breeding     maternal effects     oilseed rape     QTL    

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Air quality improvement in Los Angeles—Perspectives for developing cities

David D. Parrish,Jin Xu,Bart Croes,Min Shao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0859-5

Abstract: Air quality improvement in Los Angeles can inform air quality policies in developing cities.Opportunities for co-benefits for climate and air quality improvement are identified.Air quality improvement in Los Angeles, California is reviewed with an emphasis on aspects that may informcontrasted with those of Los Angeles, and the opportunities for co-benefits for climate and air quality improvement

Keywords： Air pollution     Ozone     Particulate matter     Control technology    

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FOR USE IN AGROECOSYSTEM IMPROVEMENT IN SEMI-ARID AREAS WITH A FOCUS ON CENTRAL ANATOLIA, TURKEY

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 568-582 doi: 10.15302/J-FASE -2019270

Abstract: i> and Casuarina have been evaluated for their potential use in agroecosystem improvement

Keywords： actinorrhizal trees / agroforestry / climate change / ecosystem restoration    

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Ductility improvement of GFRP-RC beams using precast confined concrete block in compression zone

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0968-8

Abstract: Fiber-reinforced polymers (FRPs) have received considerable research attention because of their high strength, corrosion resistance, and low weight. However, owing to the lack of ductility in this material and the quasi-brittle behavior of concrete, FRP-reinforced concrete (FRP-RC) beams, even with flexural failure, do not fail in a ductile manner. Because the limited deformation capacity of FRP-RC beams depends on the ductility of their compression zones, the present study proposes using a precast confined concrete block (PCCB) in the compression zone to improve the ductility of the beams. A control beam and four beams with different PCCBs were cast and tested under four-point bending conditions. The control beam failed due to shear, and the PCCBs exhibited different confinements and perforations. The goal was to find an appropriate PCCB for use in the compression zone of the beams, which not only improved the ductility but also changed the failure mode of the beams from shear to flexural. Among the employed blocks, a ductile PCCB with low equivalent compressive strength increased the ductility ratio of the beam to twice that of the control beam. The beam failed in pure flexure with considerable deformation capacity and without significant stiffness reduction.

Keywords： ductility     four-point bending test     glass fiber-reinforced polymer     precast confined concrete block    

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Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 386-397 doi: 10.1007/s11708-011-0156-8

Abstract: Then the flow passage improvement method has focused on the separation area.As a result, the numerical calculations demonstrate that the flow passage improvement method applied

Keywords： streamlines     pressure losses     flow passage improvement     inlet particle separator (IPS)    

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Title Author Date Type Operation

Quality and efficiency improvement technology for five megawatt offshore wind turbines and its application

Huali HAN

Journal Article

Performance improvement of a pulse tube cryocooler with a single compressor through cascade utilizationof cold energy

Xuming LIU, Xiafan XU, Biao YANG, Xiaotong XI, Liubiao CHEN, Junjie WANG, Yuan ZHOU

Journal Article

Potential of performance improvement of concentrated solar power plants by optimizing the parabolic trough

Honglun YANG, Qiliang WANG, Jingyu CAO, Gang PEI, Jing LI

Journal Article

Exploring differentiated improvement strategies of cultivated land quality in China

Journal Article

Research progress on genetic improvement of

Chuanping YANG

Journal Article

A review of systematic evaluation and improvement in the big data environment

Feng YANG, Manman WANG

Journal Article

Energy-Saving Potential Analysis and Countermeasures for Carbon Peaking in China

Huang Haixia, Cheng Fan, Su Yinao, Yao Liangzhong, Hu Jianzu

Journal Article

Embryo-mediated genome editing for accelerated genetic improvement of livestock

Zachariah MCLEAN, Björn OBACK, Götz LAIBLE

Journal Article

Management System and Education Model in Developed Countries for Engineering Management Major Education Improvement

Jian-ya Jiang,Yang-wei Rao

Journal Article

Genetic improvement of wheat grain quality at CIMMYT

Carlos GUZMÁN, Karim AMMAR, Velu GOVINDAN, Ravi SINGH

Journal Article

Molecular regulation and genetic improvement of seed oil content in

Wei HUA,Jing LIU,Hanzhong WANG

Journal Article

Air quality improvement in Los Angeles—Perspectives for developing cities

David D. Parrish,Jin Xu,Bart Croes,Min Shao

Journal Article

FOR USE IN AGROECOSYSTEM IMPROVEMENT IN SEMI-ARID AREAS WITH A FOCUS ON CENTRAL ANATOLIA, TURKEY

Journal Article

Ductility improvement of GFRP-RC beams using precast confined concrete block in compression zone

Journal Article

Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Journal Article